72156909 is an odd 8-digits composite number following 72156908
and preceding 72156910 . In scientific notation, it is written as 7.2156909 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 43731440 positive integers (up to 72156909) that are relatively prime to 72156909.
72156909 has 8 divisors, whose sum is 104955552
The reverse of 72156909 is 90965127
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million one hundred fifty-six thousand nine hundred nine
Scientific notation
7.2156909 × 10^7
Engineering notation
7.2156909 × 10^6
Prime Factorization
3 × 11 × 2186573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72156909
Product of the distinct prime numbers
The prime factorization of 72156909 is 3 × 11 × 2186573.
Since it has a total of 3 prime factors.
3 , 4 , 63 , 4 , 79 , 533 , 4060 , 2130 , 6538 , 54675 , 347286 , 24640 , 823670 , 8140038 , 53439345 , 7518493 , 297588853 , 380012124 , 6959867610 , 7094340893
n×2
144313818
n×3
216470727
n×4
288627636
n×5
360784545
n÷2
36078454.5
n÷3
24052303
n÷3
18039227.25
n÷5
14431381.8
n2
5206619516434281
n3
3.7569357064497E+23
n4
2.7108886788914E+31
n5
1.956093477119E+39
2 √n
8494.5222938079
3 √n
416.31875263261
4 √n
92.165732752515
5 √n
37.295427033176
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72156908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156909 can be divided by 8 positive divisors.
The sum of these divisors (counting 72156909) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010000011011101101
3
Ternary
12000202221200010
4
Quaternary
10103100123231
5
Quinary
121433010114
6
Senary
11054323433
8
Octal
423203355
10
Decimal
72156909
12
Duodecimal
201b9579
16
Hexadecimal
44d06ed
20
Vigesimal
12ajc59
36
Base36
16ykml
md5
c7408559683c38c5e354fefd86210fa2
sha1
ccb19b363218cf43ea145bc6b1eea4f085b16013
sha256
f1419492bae69fb6c4ccbbd9fe00bc86d3690ae8fcb2c7c0c292784f7e1d340f
sha512
6c0806367b52391e05723babafd1468afd23dc8a78d25cd5ed4b5497868520dfe2daedfceddaf755445b3cba7430430eed047d32ab327209e656a85405766da4
ripemd-160
8bf74e7f60da4ae07fab4b856d71b78f423eeea7
Diameter
144313818
Circumference
453375230.44029
Area
1.6357077622867E+16
Volume
1.5737015487189E+24
Surface area
6.5428310491469E+16
Circumference
453375230.44029
Perimeter
288627636
Area
5206619516434281
Diagonal
102045279.32672
Surface area
31239717098605686
Volume
3.7569357064497E+23
Space diagonal
124979432.50512
Perimeter
216470727
Area
2.254532384536E+15
Altitude
62489716.252562
Surface area
2.254532384536E+15
Volume
4.4275911908541E+22
Height
34015093.108907